Which of the following statements regarding an atom are correct?1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic.2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic.3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.

• A. 1 and 2 only
• B. 1 and 3 only
• C. 2 and 3 only
• D. 1, 2 and 3